latest "associated press" poll shows likely voters with more confidence in mitt romney than president obama to handle the economy. 51% to 44%. at the white house, i'm tara mergener for cbs 5. >>> i'm ken bastida in mobile5 in south fremont. we are going to show you what it took to dig a tunnel through the middle of the city to build a new bart station. >> tea gets a lot of credit but the one thing added to your tea that destroys the health benefits. ,,,,,,,,,,,, to mobile 5 and ken bastidah a first look at the newly completed bart expansion in fremont's warm springs area. n, this is quite a m >>> let's go out live to mobile 5 and ken bastida with a first look at the newly completed bart expansion in fremont's warm springs area. ken, you know, this is quite a milestone. >> reporter: yeah. it's going to take a while to actually finish it. we're standing right now on what in 2015 will be the bay area's newest bart station. it will be called warm springs or the south fremont station, nothing here right now but a bunch of bart rails. but to get here from fremont, the last station on the line, th